Question

17.85+15.17-120+2012⁰

Answer 1

= 1580 + 2012 = 3592

Answer 2

17.85+15.17-120+2012⁰

=17.(85+15)-120+1

=17.100-120+1

=1700-120+1

=1580+1

=1581

Answer 3

17×85+15×17-120+2012⁰

= (17×85)+(15×17)-(120+2012⁰)

= 1445 +225-121

=1579

Answer 4

= 1579